<template>
    <div class="search">
      <van-nav-bar title="商品搜索" left-arrow @click-left="$router.go(-1)" />

      <van-search show-action placeholder="请输入搜索关键词" clearable v-model="search">
        <template #action>
          <div @click="goSearch(search)">搜索</div>
        </template>
      </van-search>

      <!-- 搜索历史 -->
      <div class="search-history" v-if="history.length>0">
        <div class="title">
          <span>最近搜索</span>
          <van-icon name="delete-o" size="16" @click="clear"/>
        </div>
        <div class="list">
          <div class="list-item" v-for="(item,index) in history" :key="index" @click="$router.push(`/searchlist?search=${item}`)">{{ item }}</div>
        </div>
      </div>
    </div>
  </template>

<script>
import { getHistoryList, setHistoryList } from '@/utils/storage.js'
export default {
  name: 'SearchIndex',
  data () {
    return {
      search: '',
      history: getHistoryList()
    }
  },
  methods: {
    goSearch (key) {
      const index = this.history.indexOf(key)
      if (index !== -1) {
        this.history.splice(index, 1)
      }
      this.history.unshift(key)
      setHistoryList(this.history)
      this.$router.push(`/searchlist?search=${key}`)
    },
    clear () {
      this.history = []
      setHistoryList([])
      this.$toast.success('清楚历史成功')
    }
  }
}
</script>

  <style lang="less" scoped>
  .search {
    .searchBtn {
      background-color: #fa2209;
      color: #fff;
    }
    ::v-deep .van-search__action {
      background-color: #c21401;
      color: #fff;
      padding: 0 20px;
      border-radius: 0 5px 5px 0;
      margin-right: 10px;
    }
    ::v-deep .van-icon-arrow-left {
      color: #333;
    }
    .title {
      height: 40px;
      line-height: 40px;
      font-size: 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 15px;
    }
    .list {
      display: flex;
      justify-content: flex-start;
      flex-wrap: wrap;
      padding: 0 10px;
      gap: 5%;
    }
    .list-item {
      width: 30%;
      text-align: center;
      padding: 7px;
      line-height: 15px;
      border-radius: 50px;
      background: #fff;
      font-size: 13px;
      border: 1px solid #efefef;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      margin-bottom: 10px;
    }
  }
  </style>
